<?php

class logs{

	public $log_path    = 'logs/';
	public $_threshold	= 4;
	public $_date_fmt	= 'Y-m-d H:i:s';
	public $_enabled	= TRUE;
	public $_levels	   = array('ERROR' => '1', 'DEBUG' => '2',  'INFO' => '3', 'ALL' => '4');

	/**
	 * Constructor
	 *
	 * @access	public
	 */
	function __construct()
	{
	    if(LOG_PATH)
		{
			$this->log_path = LOG_PATH;
		}
		if(!is_dir($this->log_path))
		{
			$this->_enabled = FALSE;
		}
			
		if(LOG_DATE_FORMAT)
		{
			$this->_date_fmt = LOG_DATE_FORMAT;
		}

		$this->_enabled = LOG_ENABLED;
	}
	
	// --------------------------------------------------------------------
	
	/**
	 * Write Log File
	 *
	 * Generally this function will be called using the global log_message() function
	 *
	 * @access	public
	 * @param	string	the error level
	 * @param	string	the error message
	 * @param	bool	whether the error is a native PHP error
	 * @return	bool
	 */		
	function write_log($level = 'error', $msg, $php_error = FALSE)
	{		
		if ($this->_enabled == FALSE)
		{
			return FALSE;
		}
	    
		$level = strtoupper($level);
		
		if(!isset($this->_levels[$level]) OR ($this->_levels[$level] > $this->_threshold))
		{
			return FALSE;
		}
	    
		$filepath = $this->log_path.'log-'.date('Y-m-d').'.log';
		$message  = '';
		
		if (!$fp = @fopen($filepath, FOPEN_WRITE_CREATE))
		{
			return FALSE;
		}
        
        $ip = getIp();
		$message .= $level.' '.(($level == 'INFO') ? ' -' : '-').' '.date($this->_date_fmt).' Ip: '.$ip.' --> '.$msg."\n"."\r\n";

		flock($fp, LOCK_EX);	
		fwrite($fp, $message);
		flock($fp, LOCK_UN);
		fclose($fp);
	    
		@chmod($filepath, FILE_WRITE_MODE); 
        		
		return TRUE;
	}

}

